1. Remove the video board. [Link to Video Board]
  2. Remove the fan cables [C] and [D].
    [C]: For fan [A]
    [D]: For fan [B]
  3. Remove the fans [A] and [B].

For reassembling:

  • Connect [C] to the "REAR FAN" connector on the motherboard.
  • Connect [D] to the "FRONT FAN" connector on the motherboard.